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Brooklyn • One Family Dwelling

1721 Ditmas Ave

Brooklyn, NY 11226Individually ownedBBL 3051810040BIN 3119448
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Updated Sep 15, 2026 · 16 sources

Year Built1910
Floors3
Units1
Building Area3,882 sqft
ZoningR1-2
ClassA3
Market Value$3.3M

1721 DITMAS AVE is a property located at 1721 DITMAS AVE, Brooklyn, NY 11226. It is classified as a one family dwelling - large suburban residence. The building was constructed in 1910. It has 3 floors and 1 unit. The building area is 3,882 square feet on a 5,300 sqft lot. The property is zoned R1-2. The assessed market value is $3.3M. It last sold for $1.6M on Sep 8, 2021. Public records list the property as individually owned. There are 18 building permits on record (13 active). There are 6 violations on record (0 currently open). 2 docketed judgments are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

53records on file

Completed in 1910, 1721 Ditmas Ave rises 3 stories over Kings. Public records put it at 1 unit and 3,882 square feet of floor area, on land zoned R1-2. It is carried on the public rolls at a market value of $3.3M, and assessed for tax at $198K. In the 40 years its record reaches back, the lot has drawn 53 separate government filings.

The documentary life of the address leans hard toward permit: 18 of its 53 records, fully 34%, fall under that one heading. Assignment (6) and violation (6) trail well behind. No violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 1993 the busiest year on file.

Read together — 34% permit, 40 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$3.3M of Kings, written across 53 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address1721 DITMAS AVE, Brooklyn, NY 11226
Building TypeOne Family Dwelling - Large Suburban Residence
A3
Year Built1910
Floors3
Total Units1
Building Area3,882 sqft
Lot Size5,300 sqft
ZoningR1-2
ConditionAverage
3051810040
3119448
OwnershipIndividually owned

Assessment & Sales

$3.3M
$198K
$37K
$1.6M
Last Sale DateSep 8, 2021

Building Permits

18 on record · 13 active
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Aug 26, 2026Est. cost $72KJob #B00877422-S1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Aug 26, 2026Est. cost $72KJob #B00877422-P3
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Mar 11, 2026Est. cost $72KJob #B00877422-P2
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Mar 4, 2026Est. cost $230KJob #B00877422-P1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Mar 4, 2026Est. cost $230KJob #B00877422-I1
View this permit's full record & inspection history →

+ 13 more permits — view full report

Violations

6 on record · none currently open
Judgments · 2 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 1999Ticket #034176158K
WORK WITHOUT A PERMIT.
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 1994Ticket #034092218P
WORK WITHOUT A PERMIT.
ECBConstruction
RESOLVE
Issued Jun 5, 1998#34176158K

WORK WITHOUT A PERMIT. WORK NOTED: RECONTRUCTION OF EXISTING GARAGE, WITH NEW MASONRY WALLS AND NEW ROOF. REMEDY: FILE FOR PLANS AND APPROVALS AND OBTAIN REQUIRED PERMITS.

View this violation's full details & status history →
DOB LegacyLandmark
DISMISSED
Issued Aug 24, 1993#500415
View this violation's full details & status history →
DOB LegacyLANDMRK
DISMISSED
Issued Aug 24, 1993#410636
View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Aug 13, 1993#34098533M

DEMOLITION WITHOUT A PERMIT. DEMO NOTED: DEMOLITION OF AN ORIGINAL STRUCTURE (GARAGE) AT THE REAR OF THE PREMISES. REMEDY: OBTAIN THE RE-QUIRED APPROVALS/PERMITS.

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Aug 13, 1993#34098535X

WORK WITHOUT A PERMIT. WORK NOTED: IN THAT HAVING EXCAVATED A TRENCH FOR FOOTINGS. (2) ERECTED 2 MASONRY WALLS AT THE REAR YARD. "STOP ALL WORK" REMEDY: STOP ALL WORK. OBTAIN THE NECESSARY/APPROVALS/PERMITS.

View this violation's full details & status history →

+ 1 more violation on record — view full report

Get the Complete Report for 1721 DITMAS AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 1721 DITMAS AVE, Brooklyn built?

The building at 1721 DITMAS AVE, Brooklyn, NY 11226 was constructed in 1910. It is classified as a one family dwelling - large suburban residence with 3 floors and 1 unit. The building area is 3,882 sqft.

Are there building permits at 1721 DITMAS AVE, Brooklyn?

Yes. 1721 DITMAS AVE, Brooklyn, NY 11226 has 18 building permits on record, with 13 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (PERMIT ENTIRE) filed Aug 26, 2026.

Does 1721 DITMAS AVE, Brooklyn have violations?

Yes. 1721 DITMAS AVE, Brooklyn, NY 11226 has 6 violations on record, with 0 currently open. Breakdown: 2 DOB, 4 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 1721 DITMAS AVE, Brooklyn have docketed judgments?

Yes. 1721 DITMAS AVE, Brooklyn, NY 11226 has 2 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 1721 DITMAS AVE?

1721 DITMAS AVE, Brooklyn, NY 11226 has an assessed market value of $3.3M and a total assessed value of $198K (land: $37K). Assessment data is from the NYC Department of Finance (DOF).

When was 1721 DITMAS AVE last sold?

1721 DITMAS AVE, Brooklyn, NY 11226 last sold for $1.6M on Sep 8, 2021. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 1721 DITMAS AVE?

1721 DITMAS AVE, Brooklyn, NY 11226 is zoned R1-2. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 1721 DITMAS AVE?

1721 DITMAS AVE, Brooklyn, NY 11226 is individually owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 1721 DITMAS AVE?

Search 1721 DITMAS AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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1721 DITMAS AVE, Brooklyn, NY 11226 — Property Records, Permits, Violations, Tax & Zoning | RegWatch